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rAKA/extra_packages/traction-at-split-node-contact/src/ntn_contact/ntn_friction_tmpl.hh
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ntn_friction_tmpl.hh
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/**
* @file ntn_friction_tmpl.hh
*
* @author David Simon Kammer <david.kammer@epfl.ch>
*
* @date creation: Fri Mar 16 2018
* @date last modification: Wed Oct 17 2018
*
* @brief base class for ntn and ntrf friction (template functions
* implementation)
*
*
* @section LICENSE
*
* Copyright (©) 2015-2021 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
// simtools
#include "ntn_contact.hh"
namespace akantu {
/* -------------------------------------------------------------------------- */
template <template <class> class FrictionLaw, class Regularisation>
NTNFriction<FrictionLaw, Regularisation>::NTNFriction(NTNBaseContact & contact,
const ID & id)
: FrictionLaw<Regularisation>(contact, id) {
AKANTU_DEBUG_IN();
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
template <template <class> class FrictionLaw, class Regularisation>
void NTNFriction<FrictionLaw, Regularisation>::applyFrictionTraction() {
AKANTU_DEBUG_IN();
auto & ntn_contact = dynamic_cast<NTNContact &>(this->contact);
auto & model = ntn_contact.getModel();
auto & residual = model.getInternalForce();
auto dim = model.getSpatialDimension();
const auto & masters = ntn_contact.getMasters();
const auto & slaves = ntn_contact.getSlaves();
const auto & l_boundary_slaves = ntn_contact.getLumpedBoundarySlaves();
const auto & l_boundary_masters = ntn_contact.getLumpedBoundaryMasters();
Int nb_contact_nodes = ntn_contact.getNbContactNodes();
for (Int n = 0; n < nb_contact_nodes; ++n) {
auto master = masters(n);
auto slave = slaves(n);
for (Int d = 0; d < dim; ++d) {
residual(master, d) +=
l_boundary_masters(n) * this->friction_traction(n, d);
residual(slave, d) -=
l_boundary_slaves(n) * this->friction_traction(n, d);
}
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
template <template <class> class FrictionLaw, class Regularisation>
void NTNFriction<FrictionLaw, Regularisation>::printself(std::ostream & stream,
int indent) const {
AKANTU_DEBUG_IN();
std::string space(AKANTU_INDENT, indent);
stream << space << "NTNFriction [" << std::endl;
FrictionLaw<Regularisation>::printself(stream, ++indent);
stream << space << "]" << std::endl;
AKANTU_DEBUG_OUT();
}
} // namespace akantu
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